5121873 has 20 divisors (see below), whose sum is σ = 7862580. Its totient is φ = 3320352.

The previous prime is 5121871. The next prime is 5121877. The reversal of 5121873 is 3781215.

It can be written as a sum of positive squares in 2 ways, for example, as 2862864 + 2259009 = 1692^2 + 1503^2 .

It is not a de Polignac number, because 5121873 - 2¹ = 5121871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5121871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2143 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (393129).

Almost surely, 2^5121873 is an apocalyptic number.

It is an amenable number.

5121873 is a deficient number, since it is larger than the sum of its proper divisors (2740707).

5121873 is a wasteful number, since it uses less digits than its factorization.

5121873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1749 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5121873 is about 2263.1555403905. The cubic root of 5121873 is about 172.3757895995.

The spelling of 5121873 in words is "five million, one hundred twenty-one thousand, eight hundred seventy-three".